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Readme [11.4K]
3 years ago
10

You work at Dave's Donut Shop. Dave has asked you to determine how much each box of a dozen donuts should cost. There are 12 don

uts in one dozen. You determine that it costs $0.32 to make each donut. Each box costs $0.18 per square foot of cardboard. There are 144 square inches in 1 square foot.
Whats an expression to model the number of donuts in b boxes?
Mathematics
1 answer:
slava [35]3 years ago
8 0
A box of donuts would cost: b = 3.84 + 0.18f

First, we have to find the total cost of the donuts. 
12 x 0.32 = 3.84

Next, we need to determine the cost of the box. However, we don't know the surface area, just the cost per foot. We can multiply the number of square feet of the box by $0.18 to find the cost.

So our equation could be:  b = 3.84 + 0.18f (where f is the surface area of the box in square feet)
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If 4 T-shirts cost $15, how much will 12 T-shirts cost?
tatuchka [14]

Answer: $45

Step-by-step explanation:

15/4 = 3.75

Each shirt costs $3.75

3.75 * 12 = 45

6 0
3 years ago
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look at the table of x and y (1-3) (2-7) (3-11) which equation is represented by the table a)y=2x+1 B)y=3x+2 C) y=4x-1 D)5x-3
Nostrana [21]
(1,3) , (2,7), and (3,11):
Let's find the slope m between (1,3) and (2,7)
Slope = Rise / Run
m = (7-3) / (1)
m = 4.

Our equation y=mx +b  has a slope of 4. Since C is the only option that satisfies this, we already know the answer, but let's find the y-intercept.
y = mx + b.       Plug in 4 for m, and the first coordinate (1,3) for x and y
3 =4(1) + b       Subtract 4 from both sides
b = -1
Our function is y =4x - 1
Answer is C) y=4x-1
7 0
3 years ago
write a expression that shows how to multiply 7×256 using expanded form and distributive property
AlekseyPX
(7 times 200)plus (7 times 50) plus (7 times 6)
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3 years ago
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Can someone please help me out with this I’ve been stuck on it
Sonja [21]

Answer:

-3

Step-by-step explanation:

-9+6

=6-9

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3 years ago
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Dominique needs to solve the system of equations by graphing. Which statement is true about the system? 2 x minus 3 y = 12. Y =
Nutka1998 [239]

Answer:

Option C) The first equation is y= 2/3x-4 when written in slope-intercept form .

Step-by-step explanation:

We have

2x - 3y = 12  \:  >  \: first \: equation

The first equation is in Standard form .

Convert to slope Intercept form .

Isolate the Variable y .

3y = 2x - 12

Divide by 3 both sides .

y =  \frac{2}{3} x - 4

y =  -  \frac{3}{5} x + 2 > second \: equation

The second equation is in slope Intercept form .

Convert to standard form

Multiply by 5 both sides to remove the fraction .

5y =  - 3x + 10

3x + 5y = 10

<h3><u>Verify each statement :- </u></h3>

<h3>• case A) Both equations are in slope-intercept form.</h3>

  • False

  • Because only the second equation is in slope -intercept form

<h3>• case B) Neither equation is in slope-intercept form .</h3>

  • False

  • Because, the second equation is in slope -intercept form

<h3>• case C) The first equation is y= 2/3x-4 when written in slope-intercept form</h3>

  • True (see the procedure)

<h3>• case D)The second equation is 3x+5y=10 when written in slope-intercept form.</h3>

  • False

  • Because, the second equation is 3x+5y=10 when written in standard form .

<h2>I hope this helps you !! </h2>
3 0
2 years ago
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